The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 09, 2021

Filed:

Jun. 16, 2017
Applicant:

Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;

Inventors:

Kenichiro Otsuka, Tokyo, JP;

Takashi Miyagi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 47/01 (2006.01); B62D 25/04 (2006.01); B21D 22/26 (2006.01); B62D 25/00 (2006.01); B21D 24/00 (2006.01); B62D 25/20 (2006.01); B62D 21/00 (2006.01); B62D 29/00 (2006.01); B60R 19/04 (2006.01); B21D 22/02 (2006.01); B21D 53/88 (2006.01); B60R 19/18 (2006.01); B62D 25/02 (2006.01);
U.S. Cl.
CPC ...
B21D 47/01 (2013.01); B21D 22/02 (2013.01); B21D 22/26 (2013.01); B21D 24/00 (2013.01); B21D 53/88 (2013.01); B60R 19/04 (2013.01); B60R 19/18 (2013.01); B62D 21/00 (2013.01); B62D 25/00 (2013.01); B62D 25/025 (2013.01); B62D 25/04 (2013.01); B62D 25/20 (2013.01); B62D 29/007 (2013.01); B60R 2019/1826 (2013.01);
Abstract

A drawn body for a vehicle structural member has a tensile strength of 980 MPa or more, radii of curvature of two first convex ridge portions, a second convex ridge portion, and a concave ridge portion are each 30 mm or less, a corner radius of a corner wall is 30 mm or less, and a forming depth which is a separation distance between a top sheet portion and an outwardly-extending flange is 40 mm or more.


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